In DNA replication,
A. only introns are replicated.
B. DNA polymerase splices the short segments of the lagging strand together.
C. the leading strand is formed as a continuous strand.
D. new nucleotides are added at the 5' end of the growing DNA strand.
E. the two existing strands are not used as templates.
Answer: C
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Which of the following statements regarding the fatty acid tails of phospholipids is FALSE?
a. Phospholipids with unsaturated tails make the bilayer more fluid because the tails contain fewer hydrogens and thus form fewer hydrogen bonds with each other. b. Saturated phospholipids' tails pack more tightly against each other than do unsaturated tails. c. Most membrane phospholipids have one fully saturated tail. d. Phospholipid tails in a membrane can interact with each other via van der Waals interactions. e. Fatty acid tails vary in length.
How many vertebrae are in the lumbar region of the vertebral column?
A) 3 B) 5 C) 7 D) 12 E) 19
In which region of the vertebral column would you find a vertebra with a large foramen and two smaller foramina within the transverse processes?
A) cervical B) thoracic C) lumbar D) sacral E) coccygeal
All of the following participate in DNA replication except ________
A) ribosomes B) DNA C) DNA ligase D) DNA polymerase E) DNA helicase